diff --git a/iso8601-localizer/iso8601-localizer-tests.ts b/iso8601-localizer/iso8601-localizer-tests.ts
index d532d7af0..1368b8d78 100644
--- a/iso8601-localizer/iso8601-localizer-tests.ts
+++ b/iso8601-localizer/iso8601-localizer-tests.ts
@@ -1,7 +1,18 @@
+
+/*
+The API is the same for both client-side and server-side users.
+
+For server-side users include the module as external module:
+
+import ISO8601Localizer = require('iso8601-localizer');
+
+For client-side users include the module as internal module as shown below:
+*/
+
 /// <reference path="iso8601-localizer.d.ts" />
 
 new ISO8601Localizer('2015-06-02T14:13:12').localize();
 
 new ISO8601Localizer('2015-06-02T14:13:12').to(-5).localize();
 
-new ISO8601Localizer('2015-06-02T14:13:12').to(-5).returnAs('object').localize();
+new ISO8601Localizer('2015-06-02T14:13:12').to(-5).returnAs('object').localize();
\ No newline at end of file
diff --git a/iso8601-localizer/iso8601-localizer.d.ts b/iso8601-localizer/iso8601-localizer.d.ts
index 7d7c52626..0bd33176e 100644
--- a/iso8601-localizer/iso8601-localizer.d.ts
+++ b/iso8601-localizer/iso8601-localizer.d.ts
@@ -1,4 +1,4 @@
-// Type definitions for ISO8601-Localizer v1.2.0
+// Type definitions for ISO8601-Localizer v1.2.1
 // Project: https://github.com/avielfedida/ISO8601-Localizer
 // Definitions by: Aviel Fedida <https://github.com/avielfedida/>
 // Definitions: https://github.com/borisyankov/DefinitelyTyped
@@ -15,3 +15,7 @@ declare class ISO8601Localizer implements localizer {
 	returnAs(as: string): localizer;
 	localize(): string;
 }
+
+declare module "iso8601-localizer" {
+	export = ISO8601Localizer;
+}
\ No newline at end of file